8257959: Add gtest run with -XX:+UseLargePages

Reviewed-by: lfoltan, tschatzl

Author: tstuefe

test/hotspot/jtreg/TEST.groups

@@ -76,7 +76,8 @@ hotspot_containers = \
 tier1_common = \
   sanity/BasicVMTest.java \
   gtest/GTestWrapper.java \
-  gtest/MetaspaceGtests.java
+  gtest/MetaspaceGtests.java \
+  gtest/LargePageGtests.java
 
 tier1_compiler = \
   :tier1_compiler_1 \

test/hotspot/jtreg/gtest/LargePageGtests.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020 SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * This runs the parts of the gtest which make sense in large-page scenarios
+ *  (mainly os*).
+ * Note that if these tests run on a system whose kernel supports large pages
+ *   but where no huge pages are configured, these tests are still useful. They
+ *   will test correct initialization. Later reserve calls will fail and fall
+ *   back to small pages (while complaining loudly) but this should not affect
+ *   the gtests.
+ */
+
+/* @test id=use-large-pages
+ * @summary Run metaspace-related gtests for reclaim policy none (with verifications)
+ * @requires os.family == "linux" | os.family == "windows"
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.xml
+ * @run main/native GTestWrapper --gtest_filter=os* -XX:+UseLargePages
+ */
+
+/* @test id=use-large-pages-1G
+ * @summary Run metaspace-related gtests for reclaim policy none (with verifications)
+ * @requires os.family == "linux"
+ * @requires vm.bits == "64"
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.xml
+ * @run main/native GTestWrapper --gtest_filter=os* -XX:+UseLargePages -XX:LargePageSizeInBytes=1G
+ */
+
+/* @test id=use-large-pages-sysV
+ * @summary Run metaspace-related gtests for reclaim policy none (with verifications)
+ * @requires os.family == "linux"
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.xml
+ * @run main/native GTestWrapper --gtest_filter=os* -XX:+UseLargePages -XX:+UseSHM
+ */